Nut-lock.



J. BAAS.

' NUT LOCK.

APPLICATION FILED AUG.2, ms.

Patented Apr. 2,1918.

71/ I 1 1196 mfim";

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4 is a section similar to Fig.

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Joan Baas, or MILWAUKEE, WISCONSIN.

memos.

To all whom it may concern: 4 Be it knownlhat l, Jenn Baas, a citizen oi the United States,res1d1ng at Milwaukee in the county of Milwaukee and State oi Wisconsin, have invented certain new and useful Improvements in Nut-Locks,ofwh1ch the iollouing 1s a specification, reference being had to the accompanying drawing,

fori'ning apart thereof. H v The main ob ects of thisinvention' are to provide for the fine adjustment and locking of a nut on a threaded bolt or stem for various purposes such as adjusting the hit or opening lllOTOlIlQllt of a self closing valve to V compensate for wear or to vary the extreme opening or the alvo; to facilitate such adj ustment; to prevent accidental or unauthorized change of such adjustment; and genorally to improve the construction and operation of devices of this class.

It consists in the construction, arrangement and combination of parts as hereinafter particulzn'lydescribed and pointed out in the claims. l i

In the accom iianying drawing like charactcrs designate the same parts in the several figures;

Figure 1 is an axial section of a self-010s mg faucet embodying the invention; Flg. 2

is an enlarged inverted plan view of the locking piece; Fig. 3 is section of the locking piece on the line Fig. 2; Fig. 3 of a modified form of the locking piece with associated parts shown in elevation; Fig. 5 is an inverted plan view of the locking piece shown in Fig. 4; and Fig. 6 is a top the valve stem and lifting nut.

Referring to Fig. 1, o designates the body 01 a self-closing faucetof the usual or any suitable construction, having a laterally pro jecting spout or nozzle .6, an internally threaded neck 0 at the upper end an externally threaded tubular extension d at the lower end forattachment to a basin slab or the like, and for connection with a pipe, and a valve seat e, between the spout?) and eX- tension 61. The particular form and construction of the valve body are however, immaterial, so far as the present invention is concerned, and may be varied as desired. A cap or plug 7'', is threaded in the neck 0 and closes the valve chamber above the spout b. It is recessed in the under side valve. which closed and held against the seat 0 plan view of NUT-LOOK.

s ec fication of Letters Patent. pe m t d A 2 191 Application filed August 2, 1915. Serial No. 43,092.

passes upwardly through and is guidedin a central opening in the cap or plug. At its lower end the stem k is provided with a valve i, of the usual or any suitable construction, which is normally by a spring surrounding the stem within the valve chamber and bearing at its ends against the valve and against a gland is, which in turn presses against and confines the packing g in the recess orstuiiing box of thecap 7".

A handle Z, of the ordinary or any suitable construction, is rotatably mounted on the stem 7L abovethe cap f. The hub of: the handlezand the cap are formed in the usual manner with opposing reversely inclined ball races, in which balls at are inserted for lifting or opening the valve by turning the handle in either direction. The hub of the handle is recessed in the under side to fit over theupper cylindrical end of the cap 7 v and close the space between it and the handle. The upper end of the stem h which ably square portion at, below which it is threaded toreceive a polygonal, preferably plain hexagonal lifting nut 0. Between the nut 0 and the handle, a washer p is-preferably interposed.

A locking piece Q, formed as shown in Figs. 2 and 3, with a polygonal opening 0, fitting the reduced polygonal end a of the stem, has one or more depending wings or projections adapted by engagement with one or more of the flat faces of the nut 0, as shown in Fig. 1,to hold the nut in adjusted position on the stem. The locking piece is fastened on the squared or polygonal end a of the stem by a headedscrew a, which is tapped or threaded in an axial hole in the stem. The opening 1" in the locking piece is preferably made of octagonal star-like form, as shown in Fig. 2, so that the angular ador adjacent to justment of the locking piece relative to the In place of one or more separate wings or projections for engagement with the nut 0,

a locking piece g may be formed, as shown in Figs. 4 and 5, with a continuous depend ing marginal flange to fit over and completely surround the nut.

' To adjust the lift or opening of the valve 6, the cap 25 is removed, thereby exposing thescrew 8 and locking piece Q. lhe screw 8 and the locking piece g are then removed from the stem and the nut 0 is turned down or up to increase or reduce the lift of the valve as desired. After the proper adjustment of the nut has been made, the locking piece.

is replaced on the nut and the squared or polygonal portion a of the stem and the screw 8 is reinserted in the stem and its head turned tightly down against the top of the locking piece to securely hold it with the nut in adjusted position. With av lifting nut of hexagonal form, a valve stem having a squared end and a locking piece having an octagonal opening fitting the squared end of the stem in different angular positions, a fine adjustment can be made, an adjustment which cannot be affected by the ordinary operation of the faucet and which, when the protecting cap I? is inplace, is not liable to accidental or unauthorized change.

Various modifications in minor details of construction may he madewithout' de- Gopies of this patent may be obtained for five stein having areduced the lifting nut 0 for varying partnre from the principle and scope of the invention as defined in the following claims.

I claim: 1

1. In a nut lock the con bination with a square end and a plain hexagonal nut threaded on the stem adjacent to: its square end, of a locking piece fittingover and adapted to engage the nut in different angular relations thereto and having an octagonal starlike opening fitting over and adapted toengage the square end of the stem indifferent angular relations thereto. ii

2. In a nut lock the combination with a stem having a reduced square end and a plain hexagonal nut threaded on the stem adjacent to its square end, of a locking piece fitting over and adapted to engage the nut in different angular relations thereto and having itD-OC-titgOllfll starlike opening fitting over and adapted to engage the square end of the stem in difierent angular relations thereto, and a locking. screw threaded axiall in the square end of the stem and having ahead adapted to overhang the same and to hold the locking piece in place thereon.

Inwvitness whereof I hereto affix my signature in presence of two Witnesses.

JOHN BAAS.

Witnesses i Gr. DRONGENBERG,

Eow. F. Hinnncnnn.

cents each, by addressing the Commissioner of Patents,

Washington, D. 0. 

